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A kind of preparation method of potassium hydroxide

A potassium hydroxide, hydroxide technology, applied in the directions of alkali metal hydroxides, chemical instruments and methods, chemical/physical processes, etc., can solve the problems such as long time consumption and low efficiency of potassium hydroxide

Active Publication Date: 2021-09-14
CHENGDU HUARONG CHEM CO LTD
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  • Summary
  • Abstract
  • Description
  • Claims
  • Application Information

AI Technical Summary

Problems solved by technology

[0004] In order to make up for the deficiencies in the prior art and solve the problems of long time consumption and low efficiency in the preparation process of potassium hydroxide, a preparation method of potassium hydroxide proposed by the present invention

Method used

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  • A kind of preparation method of potassium hydroxide
  • A kind of preparation method of potassium hydroxide
  • A kind of preparation method of potassium hydroxide

Examples

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preparation example Construction

[0028] Such as Figure 1 to Figure 5 Shown, the preparation method of a kind of potassium hydroxide of the present invention, this preparation method comprises the following steps:

[0029] S1: Put the hydroxide into the heating container and heat it. When the temperature of the hydroxide is close to 300° C., the hydroxide will melt in the heating container, and then obtain the melt of potassium hydroxide in this step;

[0030] S2: After putting the large particles of potassium-rich rock into the reaction vessel for crushing, the radius of potassium-rich rock particles is reduced, and small-sized potassium-rich rocks are obtained, which are convenient for the next process ;

[0031] S3: the potassium-rich rock particles pulverized in S2 and the basic melting aid are placed in the molten potassium hydroxide obtained through S1 and fully mixed to obtain the first mixture;

[0032] S4: cooling the first mixture obtained through S3 to 100°C-120°C, and introducing water into the ...

Embodiment approach

[0035] As an embodiment of the present invention, the rotating shaft 22 is provided with a hollow chamber 221, and the end cover 11 is provided with an air supply device 3, which includes an air bag 31, a cam 33, and a baffle. 32. The air bag 31 is fixedly connected to the end cover 11, and one end is fixedly connected to the baffle plate 32. The cam 33 is sleeved on the outer ring of the output shaft of the motor 21; the No. 1 crushing plate 23 and the No. 2 crushing plate The plate 24 and the No. 3 crushing plate 25 are all hinged on the outside of the rotating shaft 22. The outer wall of the rotating shaft 22 is close to the No. 1 crushing plate 23, the No. 2 crushing plate 24, and the No. 3 crushing plate 25. The other end of the cylinder 222 is respectively hinged with the No. 1 crushing plate 23, the No. 2 crushing plate 24, and the No. 3 crushing plate 25; during operation, the cam 33 rotates with the rotation of the output shaft of the motor 21, and the airbag 31 connec...

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Abstract

The invention belongs to the technical field of alkali preparation, specifically a preparation method of potassium hydroxide; the reaction vessel used in the preparation process includes a box body, a crushing unit and a controller; the box body is composed of an end cover, a cylinder and a hopper. The feeding pipe is symmetrically arranged on the cover, and the supporting pillar is arranged outside the hopper; the crushing unit includes a motor, a rotating shaft, a No. 1 crushing plate, a No. 2 crushing plate, and a No. 3 crushing plate. The No. 1 crushing plate, the No. 2 crushing plate, the No. 3 crushing plate, the rolling plate, and the rolling wheel can realize multiple crushing of potassium-rich rocks at the same time, reduce the particle radius of potassium-rich rocks, and increase the working efficiency of the preparation process , reduce work energy consumption.

Description

technical field [0001] The invention belongs to the technical field of alkali preparation, in particular to a preparation method of potassium hydroxide. Background technique [0002] Potassium hydroxide has been widely used in today's society. In the inorganic industry, it is used as a raw material for the production of potassium salts, such as potassium permanganate, potassium nitrite, and dipotassium hydrogen phosphate; Raw materials for hair cream, etc.; the pharmaceutical industry is used to manufacture progesterone, vanillin and other raw materials; the dye industry is used to manufacture melamine dyes; the battery industry is used to manufacture alkaline batteries. [0003] Potassium-rich rock resources in my country are very rich, with many types and a wide distribution range. They exist in volcanic rocks, sedimentary rocks, and metamorphic rocks. Potassium-containing rocks are widely distributed. There are more than ten ore spots with reserves of more than 10 millio...

Claims

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Application Information

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Patent Type & Authority Patents(China)
IPC IPC(8): C01D1/04B01J19/18B01J19/00
CPCB01J19/0053B01J19/18C01D1/04C01P2006/80
Inventor 赵宁胡林斌程郎
Owner CHENGDU HUARONG CHEM CO LTD
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